230231111131 has 32 divisors (see below), whose sum is σ = 272395235840. Its totient is φ = 190473120000.

The previous prime is 230231111059. The next prime is 230231111167. The reversal of 230231111131 is 131111132032.

It is a cyclic number.

It is not a de Polignac number, because 230231111131 - 2⁷ = 230231111003 is a prime.

It is a super-2 number, since 2×230231111131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230231111099 and 230231111108.

It is not an unprimeable number, because it can be changed into a prime (230235111131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76716631 + ... + 76719631.

It is an arithmetic number, because the mean of its divisors is an integer number (8512351120).

Almost surely, 2^230231111131 is an apocalyptic number.

230231111131 is a deficient number, since it is larger than the sum of its proper divisors (42164124709).

230231111131 is a wasteful number, since it uses less digits than its factorization.

230231111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 230231111131 its reverse (131111132032), we get a palindrome (361342243163).

The spelling of 230231111131 in words is "two hundred thirty billion, two hundred thirty-one million, one hundred eleven thousand, one hundred thirty-one".